21092198

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1\times {\mathrm{1031}}^1$

素因数の和:1279

約数の個数: 16

約数和(自身を含む): 32433696

約数和(自身を除く): 11341498

約数列:

[1, 2, 53, 106, 193, 386, 1031, 2062, 10229, 20458, 54643, 109286, 198983, 397966, 10546099, 21092198]

約数ペア:

[(1, 21092198), (2, 10546099), (53, 397966), (106, 198983), (193, 109286), (386, 54643), (1031, 20458), (2062, 10229)]